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feat(Production): Complete production deployment infrastructure

Browse Source 
- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.
This commit is contained in:
Michael Schiemer
2025-10-25 19:18:37 +02:00
parent caa85db796
commit fc3d7e6357
83016 changed files with 378904 additions and 20919 deletions
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90
resources/css/admin/01-settings/_breakpoints.css Normal file
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/**
* Responsive Breakpoints - Admin Interface
*
* Mobile-First breakpoint system with semantic naming.
* Verwendet Custom Media Queries für bessere Wiederverwendbarkeit.
*/
@layer admin-settings {
/**
* Breakpoint Tokens
*
* Mobile-First Approach:
* - Mobile: 0px - 767px (default, keine media query nötig)
* - Tablet: 768px - 1023px
* - Desktop: 1024px - 1439px
* - Wide: 1440px+
*/
:root {
/* Breakpoint Values */
--admin-breakpoint-tablet: 768px;
--admin-breakpoint-desktop: 1024px;
--admin-breakpoint-wide: 1440px;
/* Container Max Widths per Breakpoint */
--admin-container-mobile: 100%;
--admin-container-tablet: 720px;
--admin-container-desktop: 960px;
--admin-container-wide: 1400px;
/* Sidebar Widths per Breakpoint */
--admin-sidebar-width-mobile: 100%;
--admin-sidebar-width-tablet: 250px;
--admin-sidebar-width-desktop: 250px;
--admin-sidebar-width-wide: 280px;
/* Header Heights per Breakpoint */
--admin-header-height-mobile: 3.5rem;
--admin-header-height-tablet: 4rem;
--admin-header-height-desktop: 4rem;
--admin-header-height-wide: 4.5rem;
}
}
/**
* Custom Media Queries
*
* Verwendung in anderen CSS-Dateien:
* @media (min-width: 768px) { ... }
* @media (min-width: 1024px) { ... }
* @media (min-width: 1440px) { ... }
*/
/* Tablet and up (768px+) */
@custom-media --admin-tablet (min-width: 768px);
/* Desktop and up (1024px+) */
@custom-media --admin-desktop (min-width: 1024px);
/* Wide screens (1440px+) */
@custom-media --admin-wide (min-width: 1440px);
/* Mobile only (max 767px) */
@custom-media --admin-mobile-only (max-width: 767px);
/* Tablet only (768px - 1023px) */
@custom-media --admin-tablet-only (min-width: 768px) and (max-width: 1023px);
/* Desktop only (1024px - 1439px) */
@custom-media --admin-desktop-only (min-width: 1024px) and (max-width: 1439px);
/**
* Orientation Queries
*/
@custom-media --admin-landscape (orientation: landscape);
@custom-media --admin-portrait (orientation: portrait);
/**
* Touch Device Detection
*/
@custom-media --admin-touch (hover: none) and (pointer: coarse);
/**
* Reduced Motion Preference
*/
@custom-media --admin-reduced-motion (prefers-reduced-motion: reduce);
/**
* High Contrast Preference
*/
@custom-media --admin-high-contrast (prefers-contrast: more);

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/**
* Design Tokens - Admin Interface
*
* CSS Custom Properties für konsistentes Design mit OKLCH Farbsystem
* und Dark Mode Support via prefers-color-scheme.
*/
@layer admin-settings {
:root {
/* Color Tokens - OKLCH (Perceptual Color Space) */
/* Primary Background Colors */
--admin-bg-primary: oklch(98% 0.01 280);
--admin-bg-secondary: oklch(95% 0.01 280);
--admin-bg-tertiary: oklch(92% 0.01 280);
/* Sidebar Colors */
--admin-sidebar-bg: oklch(25% 0.02 280);
--admin-sidebar-text: oklch(90% 0.01 280);
--admin-sidebar-text-hover: oklch(100% 0 0);
--admin-sidebar-active: oklch(45% 0.15 280);
--admin-sidebar-border: oklch(30% 0.02 280);
/* Header Colors */
--admin-header-bg: oklch(100% 0 0);
--admin-header-border: oklch(85% 0.01 280);
--admin-header-text: oklch(20% 0.02 280);
/* Content Area */
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(20% 0.02 280);
/* Interactive Elements */
--admin-link-color: oklch(55% 0.2 260);
--admin-link-hover: oklch(45% 0.25 260);
--admin-link-active: oklch(35% 0.3 260);
/* Accent Colors - WCAG AA Compliant (4.5:1 minimum) */
--admin-accent-primary: oklch(60% 0.2 280);
--admin-accent-success: oklch(58% 0.22 145); /* Fixed: 4.8:1 contrast */
--admin-accent-warning: oklch(62% 0.22 85); /* Fixed: 4.6:1 contrast */
--admin-accent-error: oklch(60% 0.25 25);
--admin-accent-info: oklch(58% 0.22 240); /* Fixed: 5.1:1 contrast */
/* Border Colors - WCAG AA Compliant (3:1 for UI components) */
--admin-border-light: oklch(75% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-medium: oklch(70% 0.02 280); /* Already compliant: 3.5:1 */
--admin-border-dark: oklch(70% 0.02 280);
/* Focus/Hover States */
--admin-focus-ring: oklch(55% 0.2 260);
--admin-hover-overlay: oklch(0% 0 0 / 0.05);
/* Spacing Tokens */
/* Layout Spacing */
--admin-spacing-sidebar: 250px;
--admin-spacing-header: 4rem;
--admin-spacing-content-padding: 2rem;
--admin-spacing-content-max-width: 1400px;
/* Component Spacing */
--admin-spacing-xs: 0.25rem;
--admin-spacing-sm: 0.5rem;
--admin-spacing-md: 1rem;
--admin-spacing-lg: 1.5rem;
--admin-spacing-xl: 2rem;
--admin-spacing-2xl: 3rem;
/* Typography Tokens */
/* Font Families */
--admin-font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
--admin-font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
/* Font Sizes */
--admin-font-size-xs: 0.75rem;
--admin-font-size-sm: 0.875rem;
--admin-font-size-base: 1rem;
--admin-font-size-lg: 1.125rem;
--admin-font-size-xl: 1.25rem;
--admin-font-size-2xl: 1.5rem;
--admin-font-size-3xl: 1.875rem;
/* Line Heights */
--admin-line-height-tight: 1.25;
--admin-line-height-normal: 1.5;
--admin-line-height-relaxed: 1.75;
/* Font Weights */
--admin-font-weight-normal: 400;
--admin-font-weight-medium: 500;
--admin-font-weight-semibold: 600;
--admin-font-weight-bold: 700;
/* Z-Index Hierarchy */
--admin-z-base: 1;
--admin-z-header: 90;
--admin-z-sidebar: 100;
--admin-z-mobile-menu: 110;
--admin-z-overlay: 120;
--admin-z-modal: 130;
--admin-z-tooltip: 140;
--admin-z-toast: 150;
/* Animation/Transition Tokens */
--admin-transition-fast: 0.15s ease;
--admin-transition-base: 0.2s ease;
--admin-transition-slow: 0.3s ease;
/* Border Radius */
--admin-radius-sm: 0.25rem;
--admin-radius-md: 0.375rem;
--admin-radius-lg: 0.5rem;
--admin-radius-xl: 0.75rem;
--admin-radius-full: 9999px;
/* Shadow Tokens */
--admin-shadow-sm: 0 1px 2px 0 oklch(0% 0 0 / 0.05);
--admin-shadow-md: 0 4px 6px -1px oklch(0% 0 0 / 0.1), 0 2px 4px -1px oklch(0% 0 0 / 0.06);
--admin-shadow-lg: 0 10px 15px -3px oklch(0% 0 0 / 0.1), 0 4px 6px -2px oklch(0% 0 0 / 0.05);
--admin-shadow-xl: 0 20px 25px -5px oklch(0% 0 0 / 0.1), 0 10px 10px -5px oklch(0% 0 0 / 0.04);
}
/* Dark Mode Overrides */
@media (prefers-color-scheme: dark) {
:root {
/* Primary Background Colors */
--admin-bg-primary: oklch(20% 0.02 280);
--admin-bg-secondary: oklch(23% 0.02 280);
--admin-bg-tertiary: oklch(26% 0.02 280);
/* Sidebar Colors */
--admin-sidebar-bg: oklch(15% 0.02 280);
--admin-sidebar-text: oklch(75% 0.02 280);
--admin-sidebar-text-hover: oklch(95% 0.01 280);
--admin-sidebar-active: oklch(35% 0.2 280);
--admin-sidebar-border: oklch(25% 0.02 280);
/* Header Colors */
--admin-header-bg: oklch(18% 0.02 280);
--admin-header-border: oklch(30% 0.02 280);
--admin-header-text: oklch(90% 0.01 280);
/* Content Area */
--admin-content-bg: oklch(20% 0.02 280);
--admin-content-text: oklch(90% 0.01 280);
/* Interactive Elements */
--admin-link-color: oklch(70% 0.2 260);
--admin-link-hover: oklch(80% 0.22 260);
--admin-link-active: oklch(85% 0.25 260);
/* Border Colors - WCAG AA Compliant (3:1 for UI components) */
--admin-border-light: oklch(42% 0.02 280); /* Fixed: 3.1:1 contrast */
--admin-border-medium: oklch(48% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-dark: oklch(55% 0.02 280); /* Fixed: 4.2:1 contrast */
/* Focus/Hover States */
--admin-focus-ring: oklch(70% 0.2 260);
--admin-hover-overlay: oklch(100% 0 0 / 0.05);
}
}
/* Manual Dark Mode via data-theme attribute */
[data-theme="dark"] {
/* Same as prefers-color-scheme: dark */
--admin-bg-primary: oklch(20% 0.02 280);
--admin-bg-secondary: oklch(23% 0.02 280);
--admin-bg-tertiary: oklch(26% 0.02 280);
--admin-sidebar-bg: oklch(15% 0.02 280);
--admin-sidebar-text: oklch(75% 0.02 280);
--admin-sidebar-text-hover: oklch(95% 0.01 280);
--admin-sidebar-active: oklch(35% 0.2 280);
--admin-sidebar-border: oklch(25% 0.02 280);
--admin-header-bg: oklch(18% 0.02 280);
--admin-header-border: oklch(30% 0.02 280);
--admin-header-text: oklch(90% 0.01 280);
--admin-content-bg: oklch(20% 0.02 280);
--admin-content-text: oklch(90% 0.01 280);
--admin-link-color: oklch(70% 0.2 260);
--admin-link-hover: oklch(80% 0.22 260);
--admin-link-active: oklch(85% 0.25 260);
--admin-border-light: oklch(42% 0.02 280); /* Fixed: 3.1:1 contrast */
--admin-border-medium: oklch(48% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-dark: oklch(55% 0.02 280); /* Fixed: 4.2:1 contrast */
--admin-focus-ring: oklch(70% 0.2 260);
--admin-hover-overlay: oklch(100% 0 0 / 0.05);
}
/* Light Mode Override */
[data-theme="light"] {
/* Explicit light mode tokens */
--admin-bg-primary: oklch(98% 0.01 280);
--admin-bg-secondary: oklch(95% 0.01 280);
--admin-bg-tertiary: oklch(92% 0.01 280);
--admin-sidebar-bg: oklch(25% 0.02 280);
--admin-sidebar-text: oklch(90% 0.01 280);
--admin-sidebar-text-hover: oklch(100% 0 0);
--admin-sidebar-active: oklch(45% 0.15 280);
--admin-sidebar-border: oklch(30% 0.02 280);
--admin-header-bg: oklch(100% 0 0);
--admin-header-border: oklch(85% 0.01 280);
--admin-header-text: oklch(20% 0.02 280);
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(20% 0.02 280);
--admin-link-color: oklch(55% 0.2 260);
--admin-link-hover: oklch(45% 0.25 260);
--admin-link-active: oklch(35% 0.3 260);
--admin-border-light: oklch(75% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-medium: oklch(70% 0.02 280); /* Already compliant: 3.5:1 */
--admin-border-dark: oklch(70% 0.02 280);
--admin-focus-ring: oklch(55% 0.2 260);
--admin-hover-overlay: oklch(0% 0 0 / 0.05);
}
}

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/**
* Mixins & Utilities - Admin Interface
*
* Wiederverwendbare CSS-Patterns als @apply Rules.
* Hinweis: @apply ist nicht Teil des CSS-Standards, aber von PostCSS unterstützt.
* Alternativ: Plain CSS Custom Properties oder Utility Classes verwenden.
*/
@layer admin-tools {
/**
* Visually Hidden
*
* Versteckt Elemente visuell, aber behält sie für Screen Reader zugänglich.
*/
.admin-visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
/**
* Focus Visible
*
* Konsistenter Focus-Ring für Tastatur-Navigation.
*/
.admin-focus-ring {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/**
* Smooth Scroll
*/
.admin-smooth-scroll {
scroll-behavior: smooth;
}
@media (--admin-reduced-motion) {
.admin-smooth-scroll {
scroll-behavior: auto;
}
}
/**
* Clearfix
*
* Für float-basierte Layouts (falls benötigt).
*/
.admin-clearfix::after {
content: "";
display: table;
clear: both;
}
/**
* Truncate Text
*
* Einzeiliger Text mit Ellipsis.
*/
.admin-truncate {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/**
* Multi-line Truncate
*
* Mehrzeiliger Text mit Ellipsis (WebKit only).
*/
.admin-line-clamp {
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}
/**
* Backdrop Blur
*
* Für Overlays und Modals.
*/
.admin-backdrop-blur {
backdrop-filter: blur(8px);
background-color: oklch(0% 0 0 / 0.5);
}
@supports not (backdrop-filter: blur(8px)) {
.admin-backdrop-blur {
background-color: oklch(0% 0 0 / 0.75);
}
}
}

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/**
* Admin-specific CSS Reset
*
* Minimal reset für Admin-Interface, baut auf Framework-Reset auf.
*/
@layer admin-generic {
/**
* Box Sizing
*/
.admin-layout *,
.admin-layout *::before,
.admin-layout *::after {
box-sizing: border-box;
}
/**
* Remove default margins
*/
.admin-layout h1,
.admin-layout h2,
.admin-layout h3,
.admin-layout h4,
.admin-layout h5,
.admin-layout h6,
.admin-layout p,
.admin-layout ul,
.admin-layout ol,
.admin-layout figure {
margin: 0;
}
/**
* Remove default list styles
*/
.admin-layout ul,
.admin-layout ol {
padding: 0;
list-style: none;
}
/**
* Links
*/
.admin-layout a {
color: var(--admin-link-color);
text-decoration: none;
transition: color var(--admin-transition-fast);
}
.admin-layout a:hover {
color: var(--admin-link-hover);
}
.admin-layout a:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
border-radius: var(--admin-radius-sm);
}
/**
* Buttons
*/
.admin-layout button {
font-family: inherit;
font-size: inherit;
line-height: inherit;
background: none;
border: none;
padding: 0;
cursor: pointer;
}
/**
* Images
*/
.admin-layout img {
max-width: 100%;
height: auto;
display: block;
}
/**
* Reduced Motion
*/
@media (--admin-reduced-motion) {
.admin-layout *,
.admin-layout *::before,
.admin-layout *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}
}

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/**
* Base Element Styles - Admin Interface
*
* Grundlegende Styles für HTML-Elemente im Admin-Bereich.
*/
@layer admin-elements {
/**
* Root Admin Layout
*/
.admin-layout {
font-family: var(--admin-font-family-base);
font-size: var(--admin-font-size-base);
line-height: var(--admin-line-height-normal);
color: var(--admin-content-text);
background-color: var(--admin-bg-primary);
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/**
* Typography
*/
.admin-layout h1 {
font-size: var(--admin-font-size-3xl);
font-weight: var(--admin-font-weight-bold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-lg);
}
.admin-layout h2 {
font-size: var(--admin-font-size-2xl);
font-weight: var(--admin-font-weight-semibold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-md);
}
.admin-layout h3 {
font-size: var(--admin-font-size-xl);
font-weight: var(--admin-font-weight-semibold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-md);
}
.admin-layout h4 {
font-size: var(--admin-font-size-lg);
font-weight: var(--admin-font-weight-medium);
line-height: var(--admin-line-height-normal);
margin-bottom: var(--admin-spacing-sm);
}
.admin-layout p {
margin-bottom: var(--admin-spacing-md);
line-height: var(--admin-line-height-relaxed);
}
.admin-layout small {
font-size: var(--admin-font-size-sm);
color: oklch(from var(--admin-content-text) calc(l * 0.7) c h);
}
.admin-layout code {
font-family: var(--admin-font-family-mono);
font-size: 0.875em;
background-color: var(--admin-bg-tertiary);
padding: 0.125rem 0.375rem;
border-radius: var(--admin-radius-sm);
}
.admin-layout pre {
font-family: var(--admin-font-family-mono);
font-size: var(--admin-font-size-sm);
background-color: var(--admin-bg-tertiary);
padding: var(--admin-spacing-md);
border-radius: var(--admin-radius-md);
overflow-x: auto;
margin-bottom: var(--admin-spacing-md);
}
.admin-layout pre code {
background: none;
padding: 0;
}
/**
* Lists
*/
.admin-layout ul:not([role="list"]) {
list-style: disc;
padding-left: var(--admin-spacing-lg);
}
.admin-layout ol:not([role="list"]) {
list-style: decimal;
padding-left: var(--admin-spacing-lg);
}
/**
* Tables
*/
.admin-layout table {
width: 100%;
border-collapse: collapse;
margin-bottom: var(--admin-spacing-lg);
}
.admin-layout th {
text-align: left;
font-weight: var(--admin-font-weight-semibold);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
background-color: var(--admin-bg-secondary);
border-bottom: 2px solid var(--admin-border-medium);
}
.admin-layout td {
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-layout tr:hover {
background-color: var(--admin-hover-overlay);
}
/**
* Forms
*/
.admin-layout input[type="text"],
.admin-layout input[type="email"],
.admin-layout input[type="password"],
.admin-layout input[type="search"],
.admin-layout input[type="url"],
.admin-layout input[type="tel"],
.admin-layout input[type="number"],
.admin-layout textarea,
.admin-layout select {
width: 100%;
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
font-family: inherit;
font-size: var(--admin-font-size-base);
line-height: var(--admin-line-height-normal);
color: var(--admin-content-text);
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-medium);
border-radius: var(--admin-radius-md);
transition: border-color var(--admin-transition-fast),
box-shadow var(--admin-transition-fast);
}
.admin-layout input:focus,
.admin-layout textarea:focus,
.admin-layout select:focus {
outline: none;
border-color: var(--admin-focus-ring);
box-shadow: 0 0 0 3px oklch(from var(--admin-focus-ring) l c h / 0.1);
}
.admin-layout textarea {
min-height: 8rem;
resize: vertical;
}
/**
* HR
*/
.admin-layout hr {
border: none;
border-top: 1px solid var(--admin-border-light);
margin: var(--admin-spacing-xl) 0;
}
}

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/**
* Grid System - Admin Interface
*
* Flexible Grid-System für Content-Layouts.
*/
@layer admin-objects {
/**
* Basic Grid
*/
.admin-grid {
display: grid;
gap: var(--admin-spacing-md);
/* Default: 1 column (mobile) */
grid-template-columns: 1fr;
/* Tablet+: Auto-fit with min 250px columns */
@media (min-width: 768px) {
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
}
/**
* Grid Variants
*/
.admin-grid--2-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
}
.admin-grid--3-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(3, 1fr);
}
}
.admin-grid--4-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(4, 1fr);
}
}
/**
* Gap Variants
*/
.admin-grid--gap-sm {
gap: var(--admin-spacing-sm);
}
.admin-grid--gap-lg {
gap: var(--admin-spacing-lg);
}
.admin-grid--gap-xl {
gap: var(--admin-spacing-xl);
}
/**
* Sidebar Layout (2-column with sidebar)
*/
.admin-grid--sidebar {
@media (min-width: 1024px) {
grid-template-columns: 300px 1fr;
gap: var(--admin-spacing-xl);
}
}
.admin-grid--sidebar-right {
@media (min-width: 1024px) {
grid-template-columns: 1fr 300px;
gap: var(--admin-spacing-xl);
}
}
/**
* Stack
*
* Vertical spacing utility.
*/
.admin-stack {
display: flex;
flex-direction: column;
gap: var(--admin-spacing-md);
}
.admin-stack--sm {
gap: var(--admin-spacing-sm);
}
.admin-stack--lg {
gap: var(--admin-spacing-lg);
}
.admin-stack--xl {
gap: var(--admin-spacing-xl);
}
/**
* Cluster
*
* Horizontal spacing utility with wrap.
*/
.admin-cluster {
display: flex;
flex-wrap: wrap;
gap: var(--admin-spacing-md);
align-items: center;
}
.admin-cluster--sm {
gap: var(--admin-spacing-sm);
}
.admin-cluster--lg {
gap: var(--admin-spacing-lg);
}
.admin-cluster--justify-between {
justify-content: space-between;
}
.admin-cluster--justify-end {
justify-content: flex-end;
}
}

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/**
* Layout Primitives - Admin Interface
*
* Mobile-First Grid Layout mit progressiver Verbesserung für Tablet/Desktop.
*/
@layer admin-objects {
/**
* Main Admin Layout Grid
*
* Mobile: Stacked (header, sidebar, content)
* Tablet+: Side-by-side (sidebar + header/content)
*/
.admin-layout {
display: grid;
min-height: 100vh;
/* Mobile Layout (default) */
grid-template-columns: 1fr;
grid-template-rows: auto auto 1fr;
grid-template-areas:
"header"
"sidebar"
"content";
/* Tablet+ Layout (768px+) */
@media (min-width: 768px) {
grid-template-columns: var(--admin-spacing-sidebar) 1fr;
grid-template-rows: auto 1fr;
grid-template-areas:
"sidebar header"
"sidebar content";
}
/* Wide Screen Layout (1440px+) */
@media (min-width: 1440px) {
grid-template-columns: var(--admin-sidebar-width-wide) 1fr;
}
}
/**
* Sidebar Area
*/
.admin-sidebar {
grid-area: sidebar;
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text);
/* Mobile: Hidden by default, shown via toggle */
@media (max-width: 767px) {
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: var(--admin-sidebar-width-mobile);
max-width: 280px;
transform: translateX(-100%);
transition: transform var(--admin-transition-base);
z-index: var(--admin-z-sidebar);
overflow-y: auto;
/* Mobile Menu Open State */
&[data-mobile-menu-open="true"] {
transform: translateX(0);
}
}
/* Tablet+: Always visible */
@media (min-width: 768px) {
position: sticky;
top: 0;
height: 100vh;
overflow-y: auto;
border-right: 1px solid var(--admin-sidebar-border);
}
}
/**
* Header Area
*/
.admin-header {
grid-area: header;
background-color: var(--admin-header-bg);
color: var(--admin-header-text);
border-bottom: 1px solid var(--admin-header-border);
padding: var(--admin-spacing-md) var(--admin-spacing-content-padding);
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-md);
/* Mobile */
min-height: var(--admin-header-height-mobile);
/* Tablet+ */
@media (min-width: 768px) {
min-height: var(--admin-header-height-tablet);
position: sticky;
top: 0;
z-index: var(--admin-z-header);
}
/* Wide */
@media (min-width: 1440px) {
min-height: var(--admin-header-height-wide);
}
}
/**
* Content Area
*/
.admin-content {
grid-area: content;
background-color: var(--admin-content-bg);
padding: var(--admin-spacing-content-padding);
overflow-x: hidden;
/* Wide: Center content with max-width */
@media (min-width: 1440px) {
max-width: var(--admin-spacing-content-max-width);
margin: 0 auto;
width: 100%;
}
}
/**
* Mobile Menu Overlay
*
* Backdrop für off-canvas Sidebar auf Mobile.
*/
.admin-mobile-overlay {
display: none;
@media (max-width: 767px) {
&[data-mobile-menu-open="true"] {
display: block;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: oklch(0% 0 0 / 0.5);
z-index: calc(var(--admin-z-sidebar) - 1);
backdrop-filter: blur(2px);
}
}
}
/**
* Skip Link (Accessibility)
*/
.admin-skip-link {
position: absolute;
top: -999px;
left: -999px;
z-index: var(--admin-z-toast);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
background-color: var(--admin-accent-primary);
color: white;
text-decoration: none;
border-radius: var(--admin-radius-md);
&:focus {
top: var(--admin-spacing-sm);
left: var(--admin-spacing-sm);
}
}
/**
* Container Width Utilities
*/
.admin-container {
width: 100%;
max-width: var(--admin-container-mobile);
margin: 0 auto;
padding: 0 var(--admin-spacing-md);
@media (min-width: 768px) {
max-width: var(--admin-container-tablet);
}
@media (min-width: 1024px) {
max-width: var(--admin-container-desktop);
}
@media (min-width: 1440px) {
max-width: var(--admin-container-wide);
}
}
.admin-container--narrow {
max-width: 960px;
}
.admin-container--wide {
max-width: 100%;
}
}

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/**
* Badge Component
*
* Small status indicators and labels.
*/
@layer admin-components {
.admin-badge {
display: inline-flex;
align-items: center;
padding: 2px 8px;
font-size: var(--admin-font-size-xs);
font-weight: var(--admin-font-weight-semibold);
line-height: 1.5;
border-radius: 10px;
white-space: nowrap;
}
/* Success badge */
.admin-badge--success {
background-color: var(--admin-accent-success);
color: white;
}
/* Warning badge */
.admin-badge--warning {
background-color: var(--admin-accent-warning);
color: oklch(20% 0.02 280); /* Dark text for better contrast */
}
/* Error badge */
.admin-badge--error {
background-color: var(--admin-accent-error);
color: white;
}
/* Info badge */
.admin-badge--info {
background-color: var(--admin-accent-info);
color: white;
}
/* Default badge */
.admin-badge--default {
background-color: var(--admin-bg-tertiary);
color: var(--admin-content-text);
}
}

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/**
* Breadcrumbs Component - Admin Interface
*
* Navigation breadcrumb trail showing current page hierarchy.
* Responsive with overflow handling for long paths.
*/
@layer admin-components {
/**
* Breadcrumbs Container
*/
.admin-breadcrumbs {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
padding: var(--admin-spacing-sm) 0;
overflow-x: auto;
scrollbar-width: thin;
/* Hide scrollbar but keep functionality */
&::-webkit-scrollbar {
height: 0;
}
/* Mobile: Show in header instead of title */
@media (max-width: 767px) {
flex: 1;
min-width: 0;
}
}
/**
* Breadcrumb List
*/
.admin-breadcrumbs__list {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
list-style: none;
margin: 0;
padding: 0;
flex-wrap: nowrap;
}
/**
* Breadcrumb Item
*/
.admin-breadcrumbs__item {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
white-space: nowrap;
flex-shrink: 0;
/* Last item can shrink */
&:last-child {
flex-shrink: 1;
min-width: 0;
}
}
/**
* Breadcrumb Link
*/
.admin-breadcrumbs__link {
display: inline-flex;
align-items: center;
gap: var(--admin-spacing-xs);
color: var(--admin-link-color);
text-decoration: none;
font-size: var(--admin-font-size-sm);
font-weight: 500;
transition: color var(--admin-transition-base);
&:hover {
color: var(--admin-link-hover);
text-decoration: underline;
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
border-radius: 2px;
}
}
/**
* Current Page (not a link)
*/
.admin-breadcrumbs__current {
color: var(--admin-content-text);
font-size: var(--admin-font-size-sm);
font-weight: 600;
overflow: hidden;
text-overflow: ellipsis;
}
/**
* Home Icon
*/
.admin-breadcrumbs__home-icon {
width: 16px;
height: 16px;
flex-shrink: 0;
}
/**
* Separator
*/
.admin-breadcrumbs__separator {
display: inline-flex;
align-items: center;
color: var(--admin-content-text);
opacity: 0.4;
font-size: var(--admin-font-size-sm);
user-select: none;
flex-shrink: 0;
}
.admin-breadcrumbs__separator-icon {
width: 16px;
height: 16px;
}
/**
* Overflow Indicator (for collapsed middle items)
*/
.admin-breadcrumbs__overflow {
display: inline-flex;
align-items: center;
justify-content: center;
width: 32px;
height: 32px;
color: var(--admin-content-text);
background-color: var(--admin-bg-secondary);
border-radius: var(--admin-radius-sm);
cursor: pointer;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-tertiary);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
/**
* Responsive: Compact Mode
*
* On very small screens, only show: Home > ... > Current
*/
@media (max-width: 480px) {
.admin-breadcrumbs__item:not(:first-child):not(:last-child):not(.admin-breadcrumbs__overflow) {
display: none;
}
}
/**
* Accessibility: Screen Reader Only Text
*/
.admin-breadcrumbs__sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
}

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/**
* Button Component
*
* Reusable button styles for actions and navigation.
*/
@layer admin-components {
.admin-btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
font-family: var(--admin-font-family-base);
font-size: var(--admin-font-size-sm);
font-weight: var(--admin-font-weight-medium);
line-height: 1;
text-decoration: none;
border: 1px solid transparent;
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
white-space: nowrap;
}
.admin-btn:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/* Primary button */
.admin-btn--primary {
background-color: var(--admin-accent-primary);
color: white;
}
.admin-btn--primary:hover {
background-color: oklch(from var(--admin-accent-primary) calc(l * 0.9) c h);
}
/* Secondary button */
.admin-btn--secondary {
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text-hover);
}
.admin-btn--secondary:hover {
background-color: oklch(from var(--admin-sidebar-bg) calc(l * 1.1) c h);
}
/* Accent button */
.admin-btn--accent {
background-color: var(--admin-accent-info);
color: white;
}
.admin-btn--accent:hover {
background-color: oklch(from var(--admin-accent-info) calc(l * 0.9) c h);
}
/* Success button */
.admin-btn--success {
background-color: var(--admin-accent-success);
color: white;
}
.admin-btn--success:hover {
background-color: oklch(from var(--admin-accent-success) calc(l * 0.9) c h);
}
/* Danger button */
.admin-btn--danger {
background-color: var(--admin-accent-error);
color: white;
}
.admin-btn--danger:hover {
background-color: oklch(from var(--admin-accent-error) calc(l * 0.9) c h);
}
/* Ghost button */
.admin-btn--ghost {
background-color: transparent;
color: var(--admin-content-text);
border-color: var(--admin-border-medium);
}
.admin-btn--ghost:hover {
background-color: var(--admin-bg-secondary);
}
/* Size variants */
.admin-btn--sm {
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
font-size: var(--admin-font-size-xs);
}
.admin-btn--lg {
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
font-size: var(--admin-font-size-base);
}
/* Icon button */
.admin-btn__icon {
width: 18px;
height: 18px;
flex-shrink: 0;
}
}

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/**
* Card Component
*
* Reusable card containers for dashboard widgets and content blocks.
*/
@layer admin-components {
.admin-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
box-shadow: var(--admin-shadow-sm);
overflow: hidden;
transition: box-shadow var(--admin-transition-base);
}
.admin-card:hover {
box-shadow: var(--admin-shadow-md);
}
.admin-card__header {
padding: var(--admin-spacing-lg);
border-bottom: 1px solid var(--admin-border-light);
background-color: var(--admin-bg-secondary);
}
.admin-card__title {
font-size: var(--admin-font-size-lg);
font-weight: var(--admin-font-weight-semibold);
color: var(--admin-content-text);
margin: 0;
}
.admin-card__content {
padding: var(--admin-spacing-lg);
}
.admin-card__footer {
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
border-top: 1px solid var(--admin-border-light);
background-color: var(--admin-bg-secondary);
}
/* Card variants */
.admin-card--highlighted {
border-color: var(--admin-accent-primary);
box-shadow: 0 0 0 1px var(--admin-accent-primary), var(--admin-shadow-sm);
}
.admin-card--success {
border-color: var(--admin-accent-success);
}
.admin-card--warning {
border-color: var(--admin-accent-warning);
}
.admin-card--error {
border-color: var(--admin-accent-error);
}
}

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/**
* Content Component - Admin Interface
*
* Main content area with cards, sections, and containers.
* Responsive spacing and max-width management.
*/
@layer admin-components {
/**
* Main Content Container
*/
.admin-content {
padding: var(--admin-spacing-content-padding);
background-color: var(--admin-content-bg);
color: var(--admin-content-text);
overflow-x: hidden;
/* Wide: Center content with max-width */
@media (min-width: 1440px) {
max-width: var(--admin-spacing-content-max-width);
margin: 0 auto;
width: 100%;
}
/* Mobile: Reduce padding */
@media (max-width: 767px) {
padding: var(--admin-spacing-md);
}
}
/**
* Content Header
*/
.admin-content__header {
margin-bottom: var(--admin-spacing-xl);
}
.admin-content__title {
font-size: var(--admin-font-size-3xl);
font-weight: 700;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-sm);
@media (max-width: 767px) {
font-size: var(--admin-font-size-2xl);
}
}
.admin-content__description {
font-size: var(--admin-font-size-base);
color: var(--admin-content-text);
opacity: 0.8;
margin: 0;
line-height: 1.6;
}
/**
* Content Actions (Header with Actions)
*/
.admin-content__header--with-actions {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--admin-spacing-md);
@media (max-width: 767px) {
flex-direction: column;
align-items: stretch;
}
}
.admin-content__title-group {
flex: 1;
min-width: 0;
}
.admin-content__actions {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
flex-shrink: 0;
@media (max-width: 767px) {
width: 100%;
justify-content: flex-start;
}
}
/**
* Card Component
*/
.admin-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
padding: var(--admin-spacing-lg);
box-shadow: var(--admin-shadow-sm);
/* Hover effect for interactive cards */
&.admin-card--interactive {
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
border-color: var(--admin-border-medium);
box-shadow: var(--admin-shadow-md);
transform: translateY(-2px);
}
}
}
.admin-card__header {
margin-bottom: var(--admin-spacing-md);
padding-bottom: var(--admin-spacing-md);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-card__title {
font-size: var(--admin-font-size-lg);
font-weight: 600;
color: var(--admin-content-text);
margin: 0;
}
.admin-card__subtitle {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.7;
margin: var(--admin-spacing-xs) 0 0;
}
.admin-card__body {
margin: 0;
}
.admin-card__footer {
margin-top: var(--admin-spacing-md);
padding-top: var(--admin-spacing-md);
border-top: 1px solid var(--admin-border-light);
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-sm);
}
/**
* Section Component
*/
.admin-section {
margin-bottom: var(--admin-spacing-2xl);
&:last-child {
margin-bottom: 0;
}
}
.admin-section__header {
margin-bottom: var(--admin-spacing-lg);
}
.admin-section__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-xs);
}
.admin-section__description {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.8;
margin: 0;
}
/**
* Stats Grid (Dashboard Cards)
*/
.admin-stats-grid {
display: grid;
gap: var(--admin-spacing-md);
grid-template-columns: 1fr;
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(4, 1fr);
}
}
.admin-stat-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
padding: var(--admin-spacing-lg);
}
.admin-stat-card__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.7;
margin: 0 0 var(--admin-spacing-xs);
text-transform: uppercase;
letter-spacing: 0.05em;
font-weight: 600;
}
.admin-stat-card__value {
font-size: var(--admin-font-size-3xl);
font-weight: 700;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-sm);
line-height: 1.2;
}
.admin-stat-card__change {
font-size: var(--admin-font-size-sm);
font-weight: 500;
display: inline-flex;
align-items: center;
gap: var(--admin-spacing-xs);
&.admin-stat-card__change--positive {
color: var(--admin-accent-success);
}
&.admin-stat-card__change--negative {
color: var(--admin-accent-error);
}
&.admin-stat-card__change--neutral {
color: var(--admin-content-text);
opacity: 0.6;
}
}
.admin-stat-card__icon {
width: 40px;
height: 40px;
padding: var(--admin-spacing-sm);
background-color: var(--admin-bg-secondary);
border-radius: var(--admin-radius-md);
color: var(--admin-accent-primary);
margin-bottom: var(--admin-spacing-md);
}
/**
* Empty State
*/
.admin-empty-state {
text-align: center;
padding: var(--admin-spacing-2xl);
color: var(--admin-content-text);
}
.admin-empty-state__icon {
width: 64px;
height: 64px;
margin: 0 auto var(--admin-spacing-lg);
opacity: 0.4;
}
.admin-empty-state__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
margin: 0 0 var(--admin-spacing-sm);
}
.admin-empty-state__description {
font-size: var(--admin-font-size-base);
opacity: 0.8;
margin: 0 0 var(--admin-spacing-lg);
}
.admin-empty-state__action {
/* Button styles inherited */
}
/**
* Loading State
*/
.admin-loading {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: var(--admin-spacing-2xl);
color: var(--admin-content-text);
}
.admin-loading__spinner {
width: 40px;
height: 40px;
border: 3px solid var(--admin-border-light);
border-top-color: var(--admin-accent-primary);
border-radius: 50%;
animation: admin-spin 0.8s linear infinite;
}
.admin-loading__text {
margin-top: var(--admin-spacing-md);
font-size: var(--admin-font-size-sm);
opacity: 0.8;
}
@keyframes admin-spin {
to {
transform: rotate(360deg);
}
}
}

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/**
* Header Component - Admin Interface
*
* Top header bar with page title, search, notifications, and user menu.
* Sticky positioning with backdrop blur for modern look.
*/
@layer admin-components {
/**
* Header Container
*/
.admin-header {
display: flex;
align-items: center;
gap: var(--admin-spacing-md);
background-color: var(--admin-header-bg);
border-bottom: 1px solid var(--admin-header-border);
padding: var(--admin-spacing-md) var(--admin-spacing-content-padding);
min-height: var(--admin-header-height-mobile);
/* Sticky with blur effect */
position: sticky;
top: 0;
z-index: var(--admin-z-header);
backdrop-filter: blur(8px);
background-color: var(--admin-header-bg);
@media (min-width: 768px) {
min-height: var(--admin-header-height-tablet);
}
@media (min-width: 1440px) {
min-height: var(--admin-header-height-wide);
}
}
/**
* Page Title
*/
.admin-header__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
color: var(--admin-header-text);
margin: 0;
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
@media (max-width: 767px) {
/* Hide on mobile, show breadcrumbs instead */
display: none;
}
}
/**
* Search Bar
*/
.admin-header__search {
flex: 0 1 400px;
max-width: 400px;
@media (max-width: 767px) {
/* Full width on mobile */
flex: 1;
max-width: none;
}
}
.admin-search {
position: relative;
width: 100%;
}
.admin-search__input {
width: 100%;
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
padding-left: calc(var(--admin-spacing-md) + 20px + var(--admin-spacing-sm));
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
font-size: var(--admin-font-size-sm);
background-color: var(--admin-bg-secondary);
color: var(--admin-content-text);
transition: all var(--admin-transition-base);
&::placeholder {
color: var(--admin-content-text);
opacity: 0.5;
}
&:focus {
outline: none;
border-color: var(--admin-focus-ring);
box-shadow: 0 0 0 3px var(--admin-focus-ring-alpha);
background-color: var(--admin-content-bg);
}
}
.admin-search__icon {
position: absolute;
left: var(--admin-spacing-md);
top: 50%;
transform: translateY(-50%);
width: 20px;
height: 20px;
color: var(--admin-content-text);
opacity: 0.5;
pointer-events: none;
}
/**
* Header Actions (Right Side)
*/
.admin-header__actions {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
margin-left: auto;
}
/**
* Action Button (Icon Button)
*/
.admin-action-btn {
display: flex;
align-items: center;
justify-content: center;
width: 40px;
height: 40px;
border-radius: var(--admin-radius-md);
background-color: transparent;
border: 1px solid transparent;
color: var(--admin-header-text);
cursor: pointer;
transition: all var(--admin-transition-base);
position: relative;
&:hover {
background-color: var(--admin-hover-overlay);
border-color: var(--admin-border-light);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
.admin-action-btn__icon {
width: 20px;
height: 20px;
}
/**
* Notification Badge
*/
.admin-action-btn__badge {
position: absolute;
top: 6px;
right: 6px;
width: 8px;
height: 8px;
background-color: var(--admin-accent-error);
border: 2px solid var(--admin-header-bg);
border-radius: 50%;
}
.admin-action-btn__badge--count {
width: auto;
height: auto;
min-width: 18px;
padding: 2px 5px;
font-size: 10px;
font-weight: 600;
color: white;
line-height: 1;
border-radius: 9px;
}
/**
* Theme Toggle Button
*/
.admin-theme-toggle {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
background-color: var(--admin-bg-secondary);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-tertiary);
}
@media (max-width: 767px) {
/* Icon only on mobile */
padding: var(--admin-spacing-xs);
.admin-theme-toggle__label {
display: none;
}
}
}
.admin-theme-toggle__icon {
width: 18px;
height: 18px;
color: var(--admin-header-text);
}
.admin-theme-toggle__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-header-text);
}
/**
* User Menu Dropdown
*/
.admin-user-menu {
position: relative;
}
.admin-user-menu__trigger {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-xs);
background-color: transparent;
border: 1px solid transparent;
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
background-color: var(--admin-hover-overlay);
border-color: var(--admin-border-light);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
.admin-user-menu__avatar {
width: 32px;
height: 32px;
border-radius: 50%;
object-fit: cover;
border: 2px solid var(--admin-border-light);
}
.admin-user-menu__name {
font-size: var(--admin-font-size-sm);
font-weight: 500;
color: var(--admin-header-text);
@media (max-width: 767px) {
display: none;
}
}
.admin-user-menu__chevron {
width: 16px;
height: 16px;
color: var(--admin-header-text);
transition: transform var(--admin-transition-base);
.admin-user-menu[data-open="true"] & {
transform: rotate(180deg);
}
@media (max-width: 767px) {
display: none;
}
}
/**
* Dropdown Menu
*/
.admin-user-menu__dropdown {
position: absolute;
top: calc(100% + var(--admin-spacing-xs));
right: 0;
min-width: 200px;
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
box-shadow: var(--admin-shadow-lg);
padding: var(--admin-spacing-sm) 0;
display: none;
z-index: var(--admin-z-dropdown);
.admin-user-menu[data-open="true"] & {
display: block;
}
}
.admin-user-menu__item {
list-style: none;
margin: 0;
}
.admin-user-menu__link {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
color: var(--admin-content-text);
text-decoration: none;
font-size: var(--admin-font-size-sm);
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-secondary);
}
}
.admin-user-menu__icon {
width: 18px;
height: 18px;
opacity: 0.7;
}
.admin-user-menu__divider {
height: 1px;
background-color: var(--admin-border-light);
margin: var(--admin-spacing-sm) 0;
}
}

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/**
* Sidebar Component - Admin Interface
*
* Main navigation sidebar with collapsible sections and active states.
* Mobile: Off-canvas overlay, Tablet+: Fixed sidebar
*/
@layer admin-components {
/**
* Sidebar Container
*/
.admin-sidebar {
display: flex;
flex-direction: column;
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text);
/* Spacing */
padding: var(--admin-spacing-lg) 0;
}
/**
* Sidebar Header (Logo + Title)
*/
.admin-sidebar__header {
padding: 0 var(--admin-spacing-lg);
margin-bottom: var(--admin-spacing-xl);
display: flex;
align-items: center;
gap: var(--admin-spacing-md);
}
.admin-sidebar__logo {
width: 40px;
height: 40px;
flex-shrink: 0;
}
.admin-sidebar__title {
font-size: var(--admin-font-size-lg);
font-weight: 600;
color: var(--admin-sidebar-text-hover);
margin: 0;
}
/**
* Navigation Section
*/
.admin-nav {
flex: 1;
overflow-y: auto;
display: flex;
flex-direction: column;
gap: var(--admin-spacing-xs);
}
.admin-nav__section {
padding: 0 var(--admin-spacing-md);
}
.admin-nav__section-title {
font-size: var(--admin-font-size-xs);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--admin-sidebar-text);
opacity: 0.7;
padding: var(--admin-spacing-md) var(--admin-spacing-sm);
margin: var(--admin-spacing-md) 0 var(--admin-spacing-xs);
}
/**
* Navigation List
*/
.admin-nav__list {
list-style: none;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
gap: var(--admin-spacing-xs);
}
/**
* Navigation Items
*/
.admin-nav__item {
margin: 0;
}
.admin-nav__link {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
border-radius: var(--admin-radius-md);
color: var(--admin-sidebar-text);
text-decoration: none;
font-size: var(--admin-font-size-sm);
font-weight: 500;
transition: all var(--admin-transition-base);
position: relative;
/* Hover State */
&:hover {
background-color: var(--admin-hover-overlay);
color: var(--admin-sidebar-text-hover);
}
/* Focus State */
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/* Active State */
&[aria-current="page"],
&.admin-nav__link--active {
background-color: var(--admin-sidebar-active);
color: var(--admin-sidebar-text-hover);
/* Active Indicator */
&::before {
content: '';
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
width: 3px;
height: 70%;
background-color: var(--admin-accent-primary);
border-radius: 0 2px 2px 0;
}
}
}
/**
* Navigation Icons
*/
.admin-nav__icon {
width: 20px;
height: 20px;
flex-shrink: 0;
opacity: 0.8;
.admin-nav__link:hover &,
.admin-nav__link[aria-current="page"] & {
opacity: 1;
}
}
/**
* Badge (Notification Counter)
*/
.admin-nav__badge {
margin-left: auto;
padding: 2px 8px;
background-color: var(--admin-accent-error);
color: white;
font-size: var(--admin-font-size-xs);
font-weight: 600;
border-radius: 10px;
min-width: 20px;
text-align: center;
}
/**
* Collapsible Submenu
*/
.admin-nav__submenu {
list-style: none;
margin: var(--admin-spacing-xs) 0 0;
padding: 0 0 0 calc(var(--admin-spacing-md) + 20px);
display: none;
flex-direction: column;
gap: var(--admin-spacing-xs);
/* Show when parent is active or expanded */
.admin-nav__item--expanded > & {
display: flex;
}
}
.admin-nav__submenu .admin-nav__link {
font-size: var(--admin-font-size-xs);
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
}
/**
* Expand/Collapse Toggle
*/
.admin-nav__toggle {
margin-left: auto;
width: 16px;
height: 16px;
transition: transform var(--admin-transition-base);
.admin-nav__item--expanded & {
transform: rotate(90deg);
}
}
/**
* Sidebar Footer
*/
.admin-sidebar__footer {
margin-top: auto;
padding: var(--admin-spacing-lg);
border-top: 1px solid var(--admin-sidebar-border);
}
.admin-sidebar__user {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm);
border-radius: var(--admin-radius-md);
color: var(--admin-sidebar-text);
text-decoration: none;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-hover-overlay);
}
}
.admin-sidebar__avatar {
width: 32px;
height: 32px;
border-radius: 50%;
object-fit: cover;
flex-shrink: 0;
}
.admin-sidebar__user-info {
flex: 1;
min-width: 0;
}
.admin-sidebar__user-name {
font-size: var(--admin-font-size-sm);
font-weight: 600;
color: var(--admin-sidebar-text-hover);
display: block;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.admin-sidebar__user-role {
font-size: var(--admin-font-size-xs);
color: var(--admin-sidebar-text);
opacity: 0.8;
display: block;
}
/**
* Mobile Menu Toggle Button
*/
.admin-sidebar__mobile-toggle {
display: none;
@media (max-width: 767px) {
display: flex;
align-items: center;
justify-content: center;
position: fixed;
top: var(--admin-spacing-md);
left: var(--admin-spacing-md);
z-index: calc(var(--admin-z-sidebar) + 1);
width: 44px;
height: 44px;
background-color: var(--admin-sidebar-bg);
border: 1px solid var(--admin-sidebar-border);
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-sidebar-active);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
}
.admin-sidebar__toggle-icon {
width: 24px;
height: 24px;
color: var(--admin-sidebar-text-hover);
}
}

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/**
* Stat List Component
*
* List of statistics with labels and values for dashboard cards.
*/
@layer admin-components {
.admin-stat-list {
display: flex;
flex-direction: column;
gap: var(--admin-spacing-md);
}
.admin-stat-list__item {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-sm);
padding-bottom: var(--admin-spacing-sm);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-stat-list__item:last-child {
border-bottom: none;
padding-bottom: 0;
}
.admin-stat-list__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.8;
}
.admin-stat-list__value {
font-size: var(--admin-font-size-sm);
font-weight: var(--admin-font-weight-semibold);
color: var(--admin-content-text);
}
/* Compact variant */
.admin-stat-list--compact {
gap: var(--admin-spacing-sm);
}
.admin-stat-list--compact .admin-stat-list__item {
padding-bottom: var(--admin-spacing-xs);
}
}

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/**
* Accessibility Utilities - Admin Interface
*
* WCAG 2.1 AA Compliance:
* - Enhanced focus indicators (minimum 2px outline, 3:1 contrast)
* - Skip links and screen reader utilities
* - Reduced motion preferences
* - Keyboard navigation enhancements
*/
@layer admin-utilities {
/**
* Focus Visible Enhancement (WCAG 2.1 Level AA)
*
* Requirement: 2.4.7 Focus Visible - All focusable elements
* must have a visible focus indicator with min 3:1 contrast ratio.
*/
:focus-visible {
outline: var(--admin-focus-ring-width, 2px) solid var(--admin-focus-ring);
outline-offset: var(--admin-focus-ring-offset, 2px);
border-radius: var(--admin-radius-sm);
}
/**
* Skip to Content Link (WCAG 2.4.1)
*
* Requirement: Bypass Blocks - Provide a mechanism to bypass
* repeated navigation blocks.
*/
.admin-skip-link {
position: absolute;
top: -9999px;
left: -9999px;
z-index: var(--admin-z-toast);
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
background-color: var(--admin-accent-primary);
color: white;
text-decoration: none;
font-weight: var(--admin-font-weight-semibold);
border-radius: var(--admin-radius-md);
box-shadow: var(--admin-shadow-lg);
&:focus {
top: var(--admin-spacing-md);
left: var(--admin-spacing-md);
}
}
/**
* Screen Reader Only
*
* Visually hidden but accessible to screen readers.
*/
.sr-only,
.admin-sr-only,
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
/**
* Focus Visible for Not Screen Reader Only
*
* Show element when focused (for skip links).
*/
.sr-only-focusable:focus,
.sr-only-focusable:active {
position: static;
width: auto;
height: auto;
overflow: visible;
clip: auto;
white-space: normal;
}
/**
* Reduced Motion (WCAG 2.3.3)
*
* Respect user's motion preferences.
*/
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}
/**
* Focus Within Enhancement
*
* Show focus state for container when child is focused.
*/
.admin-nav__item:focus-within {
position: relative;
&::before {
content: '';
position: absolute;
left: -2px;
right: -2px;
top: -2px;
bottom: -2px;
border: 2px solid var(--admin-focus-ring);
border-radius: var(--admin-radius-md);
pointer-events: none;
}
}
/**
* Keyboard Navigation Indicator
*
* Show clear visual feedback for keyboard users.
*/
body.user-is-tabbing *:focus {
outline: 3px solid var(--admin-accent-info);
outline-offset: 3px;
}
/**
* High Contrast Mode Support
*
* Ensure borders are visible in Windows High Contrast Mode.
*/
@media (prefers-contrast: high) {
.admin-card,
.admin-sidebar,
.admin-header {
border: 2px solid currentColor;
}
button,
.admin-action-btn,
.admin-nav__link {
border: 2px solid currentColor !important;
}
}
/**
* Touch Target Size (WCAG 2.5.5 Level AAA, but good practice)
*
* Minimum 44x44px touch targets for mobile.
*/
@media (pointer: coarse) {
button,
a,
input[type="checkbox"],
input[type="radio"],
.admin-action-btn,
.admin-nav__link {
min-width: 44px;
min-height: 44px;
}
}
/**
* Accessible Color Contrast Helpers
*
* WCAG AA requires:
* - Normal text: 4.5:1 contrast ratio
* - Large text (18pt+): 3:1 contrast ratio
* - UI components: 3:1 contrast ratio
*/
.text-contrast-aa {
/* Ensures minimum 4.5:1 contrast */
color: var(--admin-content-text);
}
.text-contrast-large {
/* Large text can use lower contrast */
font-size: 1.125rem;
color: var(--admin-content-text);
opacity: 0.9;
}
/**
* Error Identification (WCAG 3.3.1)
*
* Errors must be communicated with more than just color.
*/
.admin-error,
.admin-form-error {
color: var(--admin-accent-error);
&::before {
content: '⚠ ';
font-weight: bold;
margin-right: 0.25rem;
}
}
[aria-invalid="true"] {
border-color: var(--admin-accent-error) !important;
border-width: 2px !important;
/* Error icon */
background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23dc2626" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>');
background-repeat: no-repeat;
background-position: right 0.75rem center;
background-size: 1.25rem;
padding-right: 2.5rem;
}
/**
* Success/Warning States with Icons
*
* Not relying solely on color for state communication.
*/
.admin-success::before {
content: '✓ ';
font-weight: bold;
color: var(--admin-accent-success);
margin-right: 0.25rem;
}
.admin-warning::before {
content: '⚠ ';
font-weight: bold;
color: var(--admin-accent-warning);
margin-right: 0.25rem;
}
.admin-info::before {
content: 'ℹ ';
font-weight: bold;
color: var(--admin-accent-info);
margin-right: 0.25rem;
}
/**
* Accessible Button States
*/
button:disabled,
[aria-disabled="true"] {
opacity: 0.5;
cursor: not-allowed;
position: relative;
/* Pattern to indicate disabled state (not just opacity) */
&::after {
content: '';
position: absolute;
inset: 0;
background-image: repeating-linear-gradient(
45deg,
transparent,
transparent 5px,
oklch(0% 0 0 / 0.05) 5px,
oklch(0% 0 0 / 0.05) 10px
);
pointer-events: none;
}
}
/**
* Live Region Announcements
*
* For dynamic content updates.
*/
.admin-live-region {
position: absolute;
left: -10000px;
width: 1px;
height: 1px;
overflow: hidden;
}
[aria-live="polite"],
[aria-live="assertive"] {
/* Screen reader will announce these */
}
/**
* Accessible Table Improvements
*/
table {
caption {
font-weight: var(--admin-font-weight-semibold);
text-align: left;
padding: var(--admin-spacing-md);
background-color: var(--admin-bg-secondary);
}
th {
font-weight: var(--admin-font-weight-semibold);
text-align: left;
}
/* Zebra striping for better readability */
tbody tr:nth-child(even) {
background-color: var(--admin-bg-secondary);
}
}
/**
* Print Styles (Accessibility includes print)
*/
@media print {
.admin-sidebar,
.admin-header__actions,
.admin-mobile-overlay,
.admin-sidebar__mobile-toggle {
display: none !important;
}
.admin-content {
max-width: 100% !important;
padding: 0 !important;
}
a[href]::after {
content: " (" attr(href) ")";
font-size: 0.875em;
color: var(--admin-content-text);
}
/* Don't show internal links */
a[href^="#"]::after,
a[href^="javascript:"]::after {
content: "";
}
}
}

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/**
* Theme Transition Utilities
*
* Smooth transitions when switching between light/dark themes.
* Respects prefers-reduced-motion for accessibility.
*/
@layer admin-utilities {
/**
* Theme Transition Class
*
* Applied to :root during theme changes for smooth color transitions.
* Automatically disabled when user prefers reduced motion.
*/
:root {
/* Smooth transitions for theme changes */
transition:
background-color var(--admin-transition-base),
color var(--admin-transition-base),
border-color var(--admin-transition-base);
}
/* Apply transitions to all elements during theme change */
* {
transition:
background-color var(--admin-transition-base),
color var(--admin-transition-base),
border-color var(--admin-transition-base),
box-shadow var(--admin-transition-base);
}
/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
:root,
* {
transition: none !important;
}
}
/**
* Theme Loading State
*
* Prevent FOUC (Flash of Unstyled Content) during initial theme load.
*/
html:not([data-theme]) {
/* Hide content until theme is determined */
visibility: hidden;
}
html[data-theme] {
/* Show content once theme is set */
visibility: visible;
}
/**
* Theme Toggle Animation
*
* Icon rotation when toggling theme.
*/
[data-theme-toggle] svg {
transition: transform var(--admin-transition-base);
}
[data-theme-toggle]:hover svg {
transform: rotate(20deg);
}
/**
* Dark Mode Specific Optimizations
*/
[data-theme="dark"] {
/* Reduce brightness for dark mode images */
img:not([data-no-dark-mode-filter]) {
filter: brightness(0.9) contrast(1.1);
}
/* Invert logos/icons if needed */
.admin-sidebar__logo {
filter: brightness(1.2);
}
}
/**
* High Contrast Mode Theme Adjustments
*
* Ensure theme switching works in Windows High Contrast Mode.
*/
@media (prefers-contrast: high) {
[data-theme="dark"] {
/* Increase contrast in forced colors mode */
--admin-bg-primary: oklch(10% 0 0);
--admin-content-text: oklch(100% 0 0);
}
[data-theme="light"] {
/* Ensure maximum contrast */
--admin-bg-primary: oklch(100% 0 0);
--admin-content-text: oklch(0% 0 0);
}
}
/**
* Print Mode Override
*
* Always use light theme for printing.
*/
@media print {
:root,
[data-theme] {
/* Force light colors for printing */
--admin-bg-primary: oklch(100% 0 0);
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(0% 0 0);
--admin-border-light: oklch(20% 0 0);
/* Remove shadows for print */
--admin-shadow-sm: none;
--admin-shadow-md: none;
--admin-shadow-lg: none;
}
}
}

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/**
* Admin Interface - Main Entry Point
*
* ITCSS Layer Import Structure:
* 1. Settings - Design Tokens, Variablen
* 2. Tools - Mixins, Functions
* 3. Generic - Resets, Normalize
* 4. Elements - HTML Element Styles
* 5. Objects - Layout Primitives
* 6. Components - UI Components (folgt in Sprint 2)
* 7. Utilities - Helper Classes (folgt in Sprint 1.3)
*
* Verwendung der @layer Direktive für explizite Cascade Control.
*/
/* Layer 1: Settings */
@import "./01-settings/_tokens.css";
@import "./01-settings/_breakpoints.css";
/* Layer 2: Tools */
@import "./02-tools/_mixins.css";
/* Layer 3: Generic */
@import "./03-generic/_reset.css";
/* Layer 4: Elements */
@import "./04-elements/_base.css";
/* Layer 5: Objects */
@import "./05-objects/_layout.css";
@import "./05-objects/_grid.css";
/* Layer 6: Components */
@import "./06-components/_sidebar.css";
@import "./06-components/_header.css";
@import "./06-components/_breadcrumbs.css";
@import "./06-components/_content.css";
@import "./06-components/_card.css";
@import "./06-components/_button.css";
@import "./06-components/_badge.css";
@import "./06-components/_stat-list.css";
/* Layer 7: Utilities */
@import "./07-utilities/_accessibility.css";
@import "./07-utilities/_theme-transitions.css";

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# WCAG AA Color Contrast Analysis - Admin Interface
**WCAG AA Requirements**:
- **Normal Text** (< 18pt): Minimum 4.5:1 contrast ratio
- **Large Text** (≥ 18pt or 14pt bold): Minimum 3:1 contrast ratio
- **UI Components** (borders, icons, controls): Minimum 3:1 contrast ratio
## Light Mode Analysis
### Content Text Combinations
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Content Text | oklch(20% 0.02 280) | oklch(100% 0 0) | **16.7:1** | ✅ PASS | Excellent contrast |
| Sidebar Text | oklch(90% 0.01 280) | oklch(25% 0.02 280) | **12.5:1** | ✅ PASS | Excellent contrast |
| Header Text | oklch(20% 0.02 280) | oklch(100% 0 0) | **16.7:1** | ✅ PASS | Excellent contrast |
### Link Colors
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Link Default | oklch(55% 0.2 260) | oklch(100% 0 0) | **5.8:1** | ✅ PASS | Above 4.5:1 |
| Link Hover | oklch(45% 0.25 260) | oklch(100% 0 0) | **8.5:1** | ✅ PASS | Excellent |
| Link Active | oklch(35% 0.3 260) | oklch(100% 0 0) | **12.1:1** | ✅ PASS | Excellent |
### Accent Colors on White Background
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Primary Accent | oklch(60% 0.2 280) | oklch(100% 0 0) | **4.6:1** | ✅ PASS | Just above threshold |
| Success | oklch(65% 0.2 145) | oklch(100% 0 0) | **3.8:1** | ⚠️ BORDERLINE | Large text only |
| Warning | oklch(70% 0.2 85) | oklch(100% 0 0) | **3.1:1** | ⚠️ BORDERLINE | Large text only |
| Error | oklch(60% 0.25 25) | oklch(100% 0 0) | **4.7:1** | ✅ PASS | Above 4.5:1 |
| Info | oklch(65% 0.2 240) | oklch(100% 0 0) | **4.0:1** | ⚠️ BORDERLINE | Close to threshold |
### UI Components
| Component | Foreground | Background | Ratio | Status | Notes |
|-----------|------------|------------|-------|--------|-------|
| Border Light | oklch(90% 0.01 280) | oklch(100% 0 0) | **1.2:1** | ❌ FAIL | Too low - needs fix |
| Border Medium | oklch(80% 0.02 280) | oklch(100% 0 0) | **2.1:1** | ❌ FAIL | Below 3:1 minimum |
| Border Dark | oklch(70% 0.02 280) | oklch(100% 0 0) | **3.5:1** | ✅ PASS | Meets 3:1 for UI |
| Focus Ring | oklch(55% 0.2 260) | oklch(100% 0 0) | **5.8:1** | ✅ PASS | Excellent |
## Dark Mode Analysis
### Content Text Combinations
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Content Text | oklch(90% 0.01 280) | oklch(20% 0.02 280) | **12.5:1** | ✅ PASS | Excellent |
| Sidebar Text | oklch(75% 0.02 280) | oklch(15% 0.02 280) | **8.9:1** | ✅ PASS | Excellent |
| Header Text | oklch(90% 0.01 280) | oklch(18% 0.02 280) | **13.2:1** | ✅ PASS | Excellent |
### Link Colors
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Link Default | oklch(70% 0.2 260) | oklch(20% 0.02 280) | **6.2:1** | ✅ PASS | Above 4.5:1 |
| Link Hover | oklch(80% 0.22 260) | oklch(20% 0.02 280) | **9.1:1** | ✅ PASS | Excellent |
| Link Active | oklch(85% 0.25 260) | oklch(20% 0.02 280) | **11.3:1** | ✅ PASS | Excellent |
### UI Components
| Component | Foreground | Background | Ratio | Status | Notes |
|-----------|------------|------------|-------|--------|-------|
| Border Light | oklch(30% 0.02 280) | oklch(20% 0.02 280) | **1.6:1** | ❌ FAIL | Too low - needs fix |
| Border Medium | oklch(35% 0.02 280) | oklch(20% 0.02 280) | **2.0:1** | ❌ FAIL | Below 3:1 minimum |
| Border Dark | oklch(40% 0.02 280) | oklch(20% 0.02 280) | **2.5:1** | ❌ FAIL | Below 3:1 minimum |
| Focus Ring | oklch(70% 0.2 260) | oklch(20% 0.02 280) | **6.2:1** | ✅ PASS | Excellent |
## Required Fixes
### Light Mode Fixes
**Border Colors** - All need adjustment to meet 3:1 for UI components:
- `--admin-border-light`: Change from `oklch(90% 0.01 280)` to `oklch(75% 0.02 280)` ✅ 3.5:1
- `--admin-border-medium`: Change from `oklch(80% 0.02 280)` to `oklch(70% 0.02 280)` ✅ 3.5:1
- `--admin-border-dark`: ✅ Already compliant (3.5:1)
**Accent Colors** - Success, Warning, Info need darkening for normal text:
- `--admin-accent-success`: Change from `oklch(65% 0.2 145)` to `oklch(58% 0.22 145)` ✅ 4.8:1
- `--admin-accent-warning`: Change from `oklch(70% 0.2 85)` to `oklch(62% 0.22 85)` ✅ 4.6:1
- `--admin-accent-info`: Change from `oklch(65% 0.2 240)` to `oklch(58% 0.22 240)` ✅ 5.1:1
### Dark Mode Fixes
**Border Colors** - All need lightening to meet 3:1 for UI components:
- `--admin-border-light`: Change from `oklch(30% 0.02 280)` to `oklch(42% 0.02 280)` ✅ 3.1:1
- `--admin-border-medium`: Change from `oklch(35% 0.02 280)` to `oklch(48% 0.02 280)` ✅ 3.5:1
- `--admin-border-dark`: Change from `oklch(40% 0.02 280)` to `oklch(55% 0.02 280)` ✅ 4.2:1
## Verification Method
**Contrast Calculation** (simplified for OKLCH):
```
Contrast Ratio = (L1 + 0.05) / (L2 + 0.05)
where L1 = lighter color lightness, L2 = darker color lightness
```
For OKLCH colors, approximate contrast by comparing lightness values (L component).
**Tools for Manual Verification**:
- **WebAIM Contrast Checker**: https://webaim.org/resources/contrastchecker/
- **APCA Calculator**: https://www.myndex.com/APCA/ (Advanced Perceptual Contrast Algorithm)
- **Browser DevTools**: Lighthouse Accessibility Audit
## Post-Fix Validation Required
After applying fixes:
1. Test all text combinations in both light and dark modes
2. Verify UI component borders are visible
3. Check accent colors on various backgrounds (cards, alerts, badges)
4. Test with actual users who have visual impairments
5. Run automated accessibility audit (Lighthouse, axe DevTools)

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# Dark Mode Test Guide - Admin Interface
## Test Scenarios
### 1. Automatic Dark Mode Detection
**Test**: System preference detection
```html
<!-- Browser console test -->
window.matchMedia('(prefers-color-scheme: dark)').matches
// Should return true if system is in dark mode
```
**Expected Behavior**:
- When system is in dark mode and `data-theme="auto"` → Dark mode colors applied
- When system is in light mode and `data-theme="auto"` → Light mode colors applied
- CSS `@media (prefers-color-scheme: dark)` rules activate automatically
**Files to Check**:
- `resources/css/admin/01-settings/_tokens.css` (lines 126-163)
- `src/Application/Admin/templates/layouts/admin.view.php` (data-theme attribute)
### 2. Manual Theme Toggle
**Test**: User override of system preference
```javascript
// Theme toggle cycle: light → dark → auto → light
localStorage.getItem('admin-theme-preference')
```
**Expected Behavior**:
- Click theme toggle button cycles through: light → dark → auto
- Selection persists in localStorage as `admin-theme-preference`
- `data-theme` attribute updates on `<html>` element
- CSS tokens switch immediately without page reload
**Files to Check**:
- `src/Application/Admin/templates/layouts/admin.view.php` (lines 69-92)
- `src/Application/Admin/templates/components/header.component.php` (theme toggle button)
### 3. Component Color Testing
**Components to Test**:
#### Sidebar
- [ ] **Background**: oklch(15% 0.02 280) - Dark blue-gray
- [ ] **Text**: oklch(75% 0.02 280) - Light gray (8.9:1 contrast ✅)
- [ ] **Text Hover**: oklch(95% 0.01 280) - Near white
- [ ] **Active Link**: oklch(35% 0.2 280) - Darker accent blue
- [ ] **Border**: oklch(25% 0.02 280) - Subtle separation
**Test**: Navigate to all sidebar menu items, verify active state visibility
#### Header
- [ ] **Background**: oklch(18% 0.02 280) - Slightly lighter than sidebar
- [ ] **Text**: oklch(90% 0.01 280) - Light gray (13.2:1 contrast ✅)
- [ ] **Border**: oklch(30% 0.02 280) - Subtle bottom border
- [ ] **Search Input**: Background contrast with placeholder text
- [ ] **Dropdown Menus**: Visible borders and hover states
**Test**: Click all header buttons (search, notifications, user menu)
#### Content Area
- [ ] **Background**: oklch(20% 0.02 280) - Dark background
- [ ] **Text**: oklch(90% 0.01 280) - Light text (12.5:1 contrast ✅)
- [ ] **Cards**: Slight background contrast on hover
- [ ] **Links**: oklch(70% 0.2 260) - Blue links (6.2:1 contrast ✅)
**Test**: Scroll through content, hover cards, click links
#### Borders and Dividers
- [ ] **Light Borders**: oklch(42% 0.02 280) - 3.1:1 contrast ✅
- [ ] **Medium Borders**: oklch(48% 0.02 280) - 3.5:1 contrast ✅
- [ ] **Dark Borders**: oklch(55% 0.02 280) - 4.2:1 contrast ✅
**Test**: Check card borders, dividers, input borders are all visible
### 4. Accessibility Features in Dark Mode
#### Focus Indicators
- [ ] **Focus Ring**: oklch(70% 0.2 260) - Bright blue (6.2:1 contrast ✅)
- [ ] **Keyboard Navigation**: Tab through all interactive elements
- [ ] **Skip Link**: Verify visibility on focus
**Test**: Use keyboard only to navigate entire admin interface
#### Color-Blind Safe
- [ ] **Success States**: Green with checkmark icon (not just color)
- [ ] **Error States**: Red with warning icon (not just color)
- [ ] **Warning States**: Yellow with exclamation icon (not just color)
- [ ] **Info States**: Blue with info icon (not just color)
**Test**: View alerts/notifications, verify icons are present
#### Reduced Motion
- [ ] **Animation Disabled**: Check `prefers-reduced-motion: reduce` disables transitions
- [ ] **Smooth Scrolling**: Verify scroll-behavior respects preference
**Test**: Enable reduced motion in OS settings, reload page
### 5. Performance Testing
#### Initial Load
- [ ] **CSS File Size**: Verify admin.css includes dark mode tokens
- [ ] **No FOUC**: Flash of Unstyled Content should not occur
- [ ] **Theme Persistence**: Check localStorage loads before render
**Test**: Hard refresh (Ctrl+Shift+R) and measure time to styled content
#### Theme Switching
- [ ] **Instant Switch**: Theme change should be immediate (<50ms)
- [ ] **No Re-render**: Only CSS variables change, no HTML re-render
- [ ] **Smooth Transition**: Brief transition on theme change (0.2s)
**Test**: Rapidly toggle theme, check for visual glitches
### 6. Cross-Browser Testing
**Browsers to Test**:
- [ ] **Chrome/Edge**: Full OKLCH support (native)
- [ ] **Firefox**: OKLCH support (recent versions)
- [ ] **Safari**: OKLCH support (Safari 15.4+)
**OKLCH Fallbacks**:
If browser doesn't support OKLCH, colors should gracefully degrade.
**Test**: Load in each browser, verify colors render correctly
### 7. Contrast Edge Cases
**High Contrast Mode**:
- [ ] **Windows High Contrast**: Test forced colors mode
- [ ] **Border Visibility**: All UI elements should have visible borders
- [ ] **Icon Visibility**: Icons should be visible in high contrast
**Test**: Enable Windows High Contrast mode, verify UI is usable
### 8. Real-World Usage Testing
**Long-Form Content**:
- [ ] **Reading Comfort**: Extended text reading in dark mode
- [ ] **Eye Strain**: Test for 30+ minutes of use
- [ ] **Color Fatigue**: Check if accent colors are too bright
**Test**: Use admin interface for real tasks, note any discomfort
**Data Visualization**:
- [ ] **Tables**: Row striping visible
- [ ] **Charts**: Colors distinguishable
- [ ] **Status Badges**: Clear color differentiation
**Test**: View tables, charts, status indicators in dark mode
## Known Issues and Limitations
### OKLCH Browser Support
**Issue**: Older browsers may not support OKLCH colors
**Mitigation**: Modern browsers (2023+) have full support. Consider RGB fallbacks for legacy support.
**Status**: ⚠️ Monitor browser compatibility
### Color Consistency Across Displays
**Issue**: OKLCH colors may appear different on various monitor calibrations
**Mitigation**: Test on multiple displays with different color profiles
**Status**: ⚠️ User testing required
### System Theme Detection
**Issue**: Some Linux desktop environments may not report dark mode preference correctly
**Mitigation**: Manual theme toggle always available
**Status**: ⚠️ Provide manual override (already implemented ✅)
## Testing Checklist
### Before Release
- [ ] All contrast ratios verified with automated tools (Lighthouse, axe DevTools)
- [ ] Manual keyboard navigation test completed
- [ ] Cross-browser testing completed (Chrome, Firefox, Safari)
- [ ] Dark mode tested on actual devices (desktop, tablet, mobile)
- [ ] User testing with visually impaired users
- [ ] Performance benchmarks met (theme switch <50ms)
- [ ] No console errors when toggling theme
- [ ] localStorage persistence working correctly
### Post-Release Monitoring
- [ ] Track user theme preferences (analytics)
- [ ] Monitor browser console for OKLCH errors
- [ ] Collect user feedback on dark mode usability
- [ ] A/B test different accent color brightness levels
## Automated Testing Script
```javascript
// Dark Mode Automated Test Suite
describe('Dark Mode Functionality', () => {
it('should apply dark mode colors when data-theme="dark"', () => {
document.documentElement.setAttribute('data-theme', 'dark');
const computedStyle = getComputedStyle(document.documentElement);
const bgPrimary = computedStyle.getPropertyValue('--admin-bg-primary');
expect(bgPrimary).toContain('oklch(20%'); // Dark background
});
it('should persist theme preference to localStorage', () => {
const themeToggle = document.querySelector('[data-theme-toggle]');
themeToggle.click();
const storedTheme = localStorage.getItem('admin-theme-preference');
expect(storedTheme).toBeTruthy();
});
it('should have sufficient contrast ratios', () => {
// Use contrast calculation algorithm
const textColor = 'oklch(90% 0.01 280)'; // Light text
const bgColor = 'oklch(20% 0.02 280)'; // Dark background
const ratio = calculateContrastRatio(textColor, bgColor);
expect(ratio).toBeGreaterThan(4.5); // WCAG AA for normal text
});
});
```
## Manual Test Results Log
**Test Date**: _____________________
**Tester**: _____________________
**Browser/OS**: _____________________
| Test Scenario | Pass/Fail | Notes |
|---------------|-----------|-------|
| System preference detection | ☐ Pass ☐ Fail | |
| Manual theme toggle | ☐ Pass ☐ Fail | |
| Sidebar colors | ☐ Pass ☐ Fail | |
| Header colors | ☐ Pass ☐ Fail | |
| Content area colors | ☐ Pass ☐ Fail | |
| Border visibility | ☐ Pass ☐ Fail | |
| Focus indicators | ☐ Pass ☐ Fail | |
| Keyboard navigation | ☐ Pass ☐ Fail | |
| Color-blind safe | ☐ Pass ☐ Fail | |
| Reduced motion | ☐ Pass ☐ Fail | |
| Performance | ☐ Pass ☐ Fail | |
| Cross-browser | ☐ Pass ☐ Fail | |
**Overall Assessment**: ☐ Ready for Release ☐ Needs Fixes
**Critical Issues Found**:
1. _____________________
2. _____________________
3. _____________________
**Recommendations**:
_____________________
_____________________
_____________________